Abstract: A skill authentication server publicizes a home page for test question creation over a communication network. The skill authentication server transmits a home page for a test question creation information input screen to a shop terminal, upon an access from the shop terminal, and receives the screen input information from the shop terminal to create a home page for skill authentication test questions. The shop terminal generates the skill authentication result that becomes the content of an ID card of the customer on the basis of the test answer information from a customer terminal that is input into the home page for skill authentication test questions, and transmits it to a card company server and the shop terminal. The customer inserts the ID card including the skill authentication result into the shop terminal and accepts a guidance suitable for the skill authentication result.

Abstract: The meal information supply system includes a small-sized portable terminal for reading a bar code of meal data indicative of the contents of an individual meal taken by a user to obtain the meal data and a meal information supply server for receiving, from the portable terminal of a user, a notification of meal data of the user in question through a communication network, analyzing the contents of the meal indicated by the meal data, totalizing, managing and analyzing information about intake including information of a calorie and a food group of a meal taken by each user with respect to each user, generating data of advice on management of eating habits of the user in question and notifying meal information of analysis results to the user through a communication network.

Abstract: A skill authentication server publicizes a home page for test question creation over a communication network. The skill authentication server transmits a home page for a test question creation information input screen to a shop terminal, upon an access from the shop terminal, and receives the screen input information from the shop terminal to create a home page for skill authentication test questions. The shop terminal generates the skill authentication result that becomes the content of an ID card of the customer on the basis of the test answer information from a customer terminal that is input into the home page for skill authentication test questions, and transmits it to a card company server and the shop terminal. The customer inserts the ID card including the skill authentication result into the shop terminal and accepts a guidance suitable for the skill authentication result.

Abstract: A method and a system for realizing an electronic commerce is provided. Registrations are made as sale registration data of not only at least one real-goods displayed in a real-shop and ordered by a purchaser but also at least one online-goods displayed in at least one virtual-shop and ordered by the purchaser, before accomplishing a batch accounting operation for the at least one real-goods and the at least one online-goods registered on the sale registration data.

Abstract: The meal information supply system includes a small-sized portable terminal for reading a bar code of meal data indicative of the contents of an individual meal taken by a user to obtain the meal data and a meal information supply server for receiving, from the portable terminal of a user, a notification of meal data of the user in question through a communication network, analyzing the contents of the meal indicated by the meal data, totalizing, managing and analyzing information about intake including information of a calorie and a food group of a meal taken by each user with respect to each user, generating data of advice on management of eating habits of the user in question and notifying meal information of analysis results to the user through a communication network.